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Statements of Income and Expenses and Changes in Partners' Capital (Unaudited) (Parenthetical)	Sep. 30, 2011	Sep. 30, 2010
Statements of Income and Expense and Changes in Partners' Capital [Abstract]
Net asset value, units outstanding	14,923.4040	16,241.4789

- Definition

The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.

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